| article html file updated | 29 August 2025 21:26 CEST | Update | https://www.mdpi.com/2071-1050/7/1/248 |
| article html file updated | 15 July 2022 23:43 CEST | Update | N/A |
| article html file updated | 6 February 2020 14:49 CET | Update | N/A |
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| article html file updated | 21 August 2015 04:56 CEST | Original file | N/A |
| article pdf uploaded. | 29 December 2014 12:23 CET | Version of Record | https://www.mdpi.com/2071-1050/7/1/248/pdf |
